ZK infra is finally practical for small teams. EIP- 4844 made L2 fees cheap enough to actually experiment

The bond market is about to get introduced to Bitcoin Bonds in Q3 of this year. I.e. bonds with yield denominated in btc.

Agent payment will be an important development direction for crypto in the future. Compared to traditional fiat payments, digital currencies have some inherent advantages.

I assume cryptocurrency, since OP mentioned "true believers."

There isn't cryptography true-believers, it is just mathematical proofs with sometimes good or bad code wrapping it.